I achieved around 40% 3 months after prostatectomy. Gradually the 40% has diminished. It seems that it finally went to 0% after the operation for the AUS, but the surgeon points out, no doubt correctly, that this operation went nowhere near erectile nerves. Be that as it may, now I have nothing at all in terms of erection, no matter how much stimulation. I have found success with Caverjet though, even though there is some after pain involved.